i'm essentially making a half-ton arbor press and i need to press fit the spur gear which has a half inch bore to the shaft that connects to the handle. its gonna see some decent torque, so i was thinking like .005in. i have both a furnace and freezer at my disposal. what do you guys think?
Answer:
0.005 sounds way too big
see here
http://www.eminebea.com/content/html/en/...
adding a key would be the best way - you could set screw it in place as well.
ps - i can't imagine adding a key costs more than $50 if you've got a relationship with any tool shop.
why don't you use a key on the shaft and keyway on the gear, this is normal design for gears and shafts?
If you have a hub on the gear you can cross drill and pin it.
.005" press is excessive and would have a great possibility of cracking the gear when you try to press it on.
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